Keystones — Bedrock
Five GCSE retrieval questions · 2 September 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 88
Answer: 69 + 88 = 157 -
2. Algebra Substitution
If x = 3, find the value of 5x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 13, 12, 16, 8
Answer: 12.25